General Information:
Chemical Formula:(K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)]
IMA Status:Not IMA Approved
Physical Properties:
Cleavage:[???] Perfect
Color:white.
Density:2.6 - 2.9, Average = 2.75
Diaphaniety:Translucent
Hardness:1-2 - Between Talc and Gypsum
Luster:Earthy (Dull)
Streak:white
More details...